CN203124859U - Superhard double-inner-cooling reamer for machining die-cast high-silicon aluminum alloy blind holes - Google Patents
Superhard double-inner-cooling reamer for machining die-cast high-silicon aluminum alloy blind holes Download PDFInfo
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- CN203124859U CN203124859U CN 201320168964 CN201320168964U CN203124859U CN 203124859 U CN203124859 U CN 203124859U CN 201320168964 CN201320168964 CN 201320168964 CN 201320168964 U CN201320168964 U CN 201320168964U CN 203124859 U CN203124859 U CN 203124859U
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- circular rod
- bottom land
- reamers
- die casting
- blind hole
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Abstract
The utility model discloses a superhard double-inner-cooling reamer for machining die-cast high-silicon aluminum alloy blind holes. The reamer comprises a circular rod made of a hard alloy, chip removing grooves are arranged at one end of the circular rod, blade grooves are arranged in the chip removing grooves, diamond compacts are fixedly connected in the blade grooves, an overflowing channel is arranged at the axial position of the circular rod, two cooling holes are opened at the end of the circular rod, one ends of the two cooling holes are connected to the two chip removing grooves respectively, and the other ends of the two cooling holes are connected to the overflowing channel respectively; and each diamond compact is provided with a first side and a second side which are perpendicular to each other, the first sides protrude outside the circular rod to form bottom edges of the reamer, and the second sides protrude outside the peripheral wall of the circular rod to form peripheral edges of the reamer. By means of the reamer in the structure, the surface finish and the machining quality of machined products can be improved, the machining accuracy can be improved, and the service life of the reamer can be prolonged. The superhard double-inner-cooling reamer has the advantages that the stability of the machining quality is good, the surface finish is good, the machining efficiency is high, the machining cost is low, and the machining effect is good.
Description
Technical field
The utility model relates to the cutter of mechanical processing industry and makes the field, particularly relates to a kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole.
Background technology
At aerospace field, need carry out the processing of blind hole to die casting silumin material workpiece usually, traditional processing mode is to adopt carbide-tipped reamer, the single-blade mouth adopts two procedures, namely slightly cuts with scissors and finish reams and process.The cutting depth (monolateral allowance) of thick hinge is 0.3～0.8mm, and machining accuracy can reach IT10～9, and surface roughness is Ra10～1.25 μ m; The cutting depth that finish reams is 0.06～0.3mm, and machining accuracy can reach IT8～6, and surface roughness is Ra1.25～0.08 μ m.
Adopt such cutter processing can not satisfy product requirement, subject matter is as follows:
1, crudy can not be satisfied the demand, and mainly is that surface accuracy does not guarantee;
2, surface smoothness is bad (requires surface smoothness: Ra0.4), do not reach the processing request of workpiece;
3, working (machining) efficiency is low, often change cutter;
4, increase manufacturing cost.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole are provided, the cutter of this structure can improve surface smoothness and the crudy of product to be processed, improve the service life of machining accuracy and cutter, have the good stability of crudy, the characteristics that surface smoothness is good, working (machining) efficiency is high, processing cost is low, processing effect is good.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole comprise that material is the circular rod of carbide alloy; One end of this circular rod by the termination in end and the part perisporium that extends to circular rod be provided with two chip areas that do not communicate; Described two chip areas are made of bottom land wall and groove sidewall respectively, and wherein, the bottom land wall of two chip areas all is made as the plane, and the bottom land wall of two chip areas is in respectively on same the diameter of circular rod; In two bottom land walls, be in the zone of termination also respectively to having insert groove, two insert grooves constitute by mutual cutter bottom land wall and cutter groove sidewall vertical and that one is joined, and wherein, the cutter bottom land wall of insert groove parallels with the bottom land wall of corresponding chip area; Be provided with the flow channels that the termination by the other end feeds in the axial location of circular rod, this flow channels extends to one end of circular rod, also offer two cooling holes in one end of circular rod, each end in two cooling holes is connected to two chip areas respectively, and each other end in two cooling holes is connected to flow channels respectively; The affixed diamond compact that coincide respectively in each insert groove, the end face of two diamond compacts are mutually concordant with the bottom land wall of corresponding chip area respectively; Two diamond compacts have orthogonal first side and second side respectively, first side of two diamond compacts respectively along the axial protrusion of circular rod outside circular rod and constitute two shear blades of milling cutter, second side of two diamond compacts is radially protruding outside the circular rod perisporium of correspondence and constitute the corresponding Zhou Ren of milling cutter along circular rod respectively.
First side of described diamond compact is made as the inclined-plane, and is that end face from diamond compact is introversion gradually to the bottom surface direction, and its angle of inclination is 8～10 °.
Second side of described diamond compact is made as the inclined-plane, and is that end face from diamond compact is introversion gradually to the bottom surface direction, and its angle of inclination is 10～15 °.
Described two chip areas are to be the rotation symmetry centered by the axis of circular rod; The shape of described two diamond compacts is identical with size.
Adopting the hyperfrequency mode to weld between the insert groove of described diamond compact and circular rod fixes.
The groove sidewall of described chip area is made of the plane that joins in regular turn and arcwall face, and described cooling hole is located in the planar slot sidewall of chip area.
The angle of the center line in described cooling hole and the axis of circular rod is 30 °.
The cutter groove sidewall of described insert groove is made of the plane that joins in regular turn and arcwall face, and arcwall face is size R15 arc surface.
A kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole of the present utility model during making, comprise the steps:
A. processing excircles and step on hard alloy bar;
B. in the position, an end of circular hard alloy bar, drive chip area with symmetry both sides, center;
C. operate on film trap respectively at an end of two chip areas;
D. use the high speed puncher to get flow channels;
E. get out two cooling holes according to default angle;
F. seal an end of flow channels;
G. superhard material (as the PCD composite sheet) composite sheet of the suitable processing die casting aluminum component of choosing by default size cutting;
H. adopt the composite sheet of well cutting and hard alloy bar the hyperfrequency mode to be welded into one;
I. adopt electric spark or emery wheel mode to roughly grind;
J. adopt suitable emery wheel and equipment to finish grind by default size and cutting edge required precision.
When superhard material pair interior cold reamers are used for processing die casting silumin material blind hole, cutter and workpiece difference clamping (CNC lathe) on special equipment, measure then and the adjustment clamping precision before this, adopt the ream mode to process at last.
The beneficial effects of the utility model are and since adopted in one end of circular rod by the termination in end and the part perisporium that extends to circular rod be provided with two chip areas that do not communicate; Described two chip areas are made of bottom land wall and groove sidewall respectively, and wherein, the bottom land wall of two chip areas all is made as the plane, and the bottom land wall of two chip areas is in respectively on same the diameter of circular rod; In two bottom land walls, be in the zone of termination also respectively to having insert groove, two insert grooves constitute by mutual cutter bottom land wall and cutter groove sidewall vertical and that one is joined, and wherein, the cutter bottom land wall of insert groove parallels with the bottom land wall of corresponding chip area; Be provided with the flow channels that the termination by the other end feeds in the axial location of circular rod, this flow channels extends to one end of circular rod, also offer two cooling holes in one end of circular rod, each end in two cooling holes is connected to two chip areas respectively, and each other end in two cooling holes is connected to flow channels respectively; The affixed diamond compact that coincide respectively in each insert groove, the end face of two diamond compacts are mutually concordant with the bottom land wall of corresponding chip area respectively; Two diamond compacts have orthogonal first side and second side respectively, first side of two diamond compacts respectively along the axial protrusion of circular rod outside circular rod and constitute two shear blades of milling cutter, second side of two diamond compacts is radially protruding outside the circular rod perisporium of correspondence and constitute the corresponding Zhou Ren of milling cutter along circular rod respectively.Adopt the two interior cold reamers of superhard material of this structure to process die casting silumin material blind hole, surface accuracy can reach Ra0.4, be 50 times of hard alloy cutter service life, has the good stability of crudy, the characteristics that surface smoothness is good, working (machining) efficiency is high, processing cost is low, processing effect is good.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole of the present utility model are not limited to embodiment.
Description of drawings
Fig. 1 is D structure schematic diagram of the present utility model;
Fig. 2 is structure decomposing schematic representation of the present utility model;
Fig. 3 is front view of the present utility model;
Fig. 4 is vertical view of the present utility model;
Fig. 5 is left view of the present utility model;
Fig. 6 is the cutaway view along A among Fig. 4-A line;
Fig. 7 is the cutaway view along B among Fig. 4-B line;
Fig. 8 is the cutaway view along C among Fig. 4-C line;
Fig. 9 is the D portion enlarged diagram among Fig. 4;
Figure 10 is the cutaway view along E among Fig. 5-E line;
Figure 11 is along the F portion enlarged diagram among Fig. 9;
Figure 12 is the cutaway view along G among Figure 11-G line;
Figure 13 is the cutaway view along H among Figure 11-H line.
The specific embodiment
Embodiment, shown in accompanying drawing, a kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole of the present utility model comprise that material is the circular rod 1 of carbide alloy; One end of this circular rod by the termination in end and the part perisporium that extends to circular rod be provided with two chip areas that do not communicate 2; Described two chip areas 2 are made of bottom land wall 21 and groove sidewall 22 respectively, and wherein, the bottom land wall 21 of two chip areas 2 all is made as the plane, and the bottom land wall of two chip areas is in respectively on same the diameter of circular rod; In two bottom land walls 21, be in the zone of termination also respectively to having insert groove 3, two insert grooves 3 constitute by mutual cutter bottom land wall 31 and cutter groove sidewall 32 vertical and that one is joined, and wherein, the cutter bottom land wall 31 of insert groove parallels with the bottom land wall 21 of corresponding chip area; Be provided with the flow channels 4 that the termination by the other end feeds in the axial location of circular rod, this flow channels 4 extends to one end of circular rod, also offer two cooling holes 41 in one end of circular rod, each other end that each end in two cooling holes 41 is connected to 2, two coolings of two chip areas hole 41 respectively is connected to flow channels 4 respectively; The end face of 5, two diamond compacts 5 of an affixed diamond compact of coincideing respectively in each insert groove 3 is mutually concordant with the bottom land wall 21 of corresponding chip area respectively; Two diamond compacts 5 have orthogonal first side 51 and second side 52 respectively, first side 51 of two diamond compacts respectively along the axial protrusion of circular rod outside circular rod and constitute two shear blades of milling cutter, second side 52 of two diamond compacts is radially protruding outside the circular rod perisporium of correspondence and constitute the corresponding Zhou Ren of milling cutter along circular rod respectively.
Described two chip areas 2 are to be the rotation symmetry centered by the axis of circular rod; The shape of described two diamond compacts 5 is identical with size.
Adopting the hyperfrequency mode to weld between the insert groove 3 of described diamond compact 5 and circular rod fixes.
The groove sidewall 22 of described chip area is made of the plane that joins in regular turn and arcwall face, and described cooling hole 41 is located in the planar slot sidewall of chip area.
The angle Q3 of the center line in described cooling hole 41 and the axis of circular rod 1 is 30 °
The cutter groove sidewall 32 of described insert groove is made of the plane that joins in regular turn and arcwall face, and arcwall face is size R15 arc surface.
A kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole of the present utility model during making, comprise the steps:
A. processing excircles and step on hard alloy bar form circular rod, form step in the middle of the circular rod;
B. in the position, an end of circular hard alloy bar, drive chip area 2 with symmetry both sides, center;
C. operate on film trap 3 respectively at an end of two chip areas 2;
D. use the high speed puncher to get flow channels 4 namely interior cold holes;
E. get out two cooling holes 41 according to default angle;
F. seal an end of flow channels, guarantee that cooling water penetrates from the cutting edge both sides;
G. superhard material (as the PCD composite sheet) composite sheet of the suitable processing die casting aluminum component of choosing by default size cutting is diamond compact 5;
H. adopt the composite sheet 5 of well cutting and hard alloy bar 1 the hyperfrequency mode to be welded into one;
I. adopt electric spark or emery wheel mode to roughly grind;
J. adopt suitable emery wheel and equipment to finish grind by default size and cutting edge required precision.
When superhard material pair interior cold reamers are used for processing die casting silumin material blind hole, cutter and workpiece difference clamping (CNC lathe) on special equipment, measure then and the adjustment clamping precision before this, adopt the ream mode to process at last.
Above-described embodiment only is used for further specifying a kind of two interior cold reamers of superhard material of processing die casting silumin material blind hole of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (8)
1. the two interior cold reamers of superhard material of processing die casting silumin material blind hole is characterized in that: comprise that material is the circular rod of carbide alloy; One end of this circular rod by the termination in end and the part perisporium that extends to circular rod be provided with two chip areas that do not communicate; Described two chip areas are made of bottom land wall and groove sidewall respectively, and wherein, the bottom land wall of two chip areas all is made as the plane, and the bottom land wall of two chip areas is in respectively on same the diameter of circular rod; In two bottom land walls, be in the zone of termination also respectively to having insert groove, two insert grooves constitute by mutual cutter bottom land wall and cutter groove sidewall vertical and that one is joined, and wherein, the cutter bottom land wall of insert groove parallels with the bottom land wall of corresponding chip area; Be provided with the flow channels that the termination by the other end feeds in the axial location of circular rod, this flow channels extends to one end of circular rod, also offer two cooling holes in one end of circular rod, each end in two cooling holes is connected to two chip areas respectively, and each other end in two cooling holes is connected to flow channels respectively; The affixed diamond compact that coincide respectively in each insert groove, the end face of two diamond compacts are mutually concordant with the bottom land wall of corresponding chip area respectively; Two diamond compacts have orthogonal first side and second side respectively, first side of two diamond compacts respectively along the axial protrusion of circular rod outside circular rod and constitute two shear blades of milling cutter, second side of two diamond compacts is radially protruding outside the circular rod perisporium of correspondence and constitute the corresponding Zhou Ren of milling cutter along circular rod respectively.
The superhard material of processing die casting silumin material blind hole according to claim 1 two in cold reamers, it is characterized in that: first side of described diamond compact is made as the inclined-plane, and be that end face from diamond compact is introversion gradually to the bottom surface direction, its angle of inclination is 8～10 °.
The superhard material of processing die casting silumin material blind hole according to claim 1 two in cold reamers, it is characterized in that: second side of described diamond compact is made as the inclined-plane, and be that end face from diamond compact is introversion gradually to the bottom surface direction, its angle of inclination is 10～15 °.
The superhard material of processing die casting silumin material blind hole according to claim 1 two in cold reamers, it is characterized in that: described two chip areas are to be the rotation symmetry centered by the axis of circular rod; The shape of described two diamond compacts is identical with size.
5. the two interior cold reamers of the superhard material of processing die casting silumin material blind hole according to claim 1 is characterized in that: adopt the hyperfrequency mode to weld between the insert groove of described diamond compact and circular rod and fix.
The superhard material of processing die casting silumin material blind hole according to claim 1 two in cold reamers, it is characterized in that: the groove sidewall of described chip area is made of the plane that joins in regular turn and arcwall face, and described cooling hole is located in the planar slot sidewall of chip area.
The superhard material of processing die casting silumin material blind hole according to claim 1 two in cold reamers, it is characterized in that: the angle of the center line in described cooling hole and the axis of circular rod is 30 °.
The superhard material of processing die casting silumin material blind hole according to claim 1 two in cold reamers, it is characterized in that: the cutter groove sidewall of described insert groove is made of the plane that joins in regular turn and arcwall face, and arcwall face is size R15 arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320168964 CN203124859U (en) | 2013-04-07 | 2013-04-07 | Superhard double-inner-cooling reamer for machining die-cast high-silicon aluminum alloy blind holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320168964 CN203124859U (en) | 2013-04-07 | 2013-04-07 | Superhard double-inner-cooling reamer for machining die-cast high-silicon aluminum alloy blind holes |
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| Publication Number | Publication Date |
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| CN203124859U true CN203124859U (en) | 2013-08-14 |
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| CN 201320168964 Expired - Fee Related CN203124859U (en) | 2013-04-07 | 2013-04-07 | Superhard double-inner-cooling reamer for machining die-cast high-silicon aluminum alloy blind holes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551643A (en) * | 2013-10-30 | 2014-02-05 | 东方电气(广州)重型机器有限公司 | Slotting cutter, processing tool and processing method of semi-closed groove |
| CN104028840A (en) * | 2013-04-07 | 2014-09-10 | 厦门钨业股份有限公司 | Superhard-material dual inner-cooling reamer for processing blind hole of die-casted high-silicon aluminum alloy material |
| CN105436613A (en) * | 2014-09-24 | 2016-03-30 | 钴碳化钨硬质合金公司 | Reamers with radially extending flutes |
-
2013
- 2013-04-07 CN CN 201320168964 patent/CN203124859U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028840A (en) * | 2013-04-07 | 2014-09-10 | 厦门钨业股份有限公司 | Superhard-material dual inner-cooling reamer for processing blind hole of die-casted high-silicon aluminum alloy material |
| CN104028840B (en) * | 2013-04-07 | 2017-02-01 | 厦门钨业股份有限公司 | Superhard-material dual inner-cooling reamer for processing blind hole of die-casted high-silicon aluminum alloy material and manufacturing method |
| CN103551643A (en) * | 2013-10-30 | 2014-02-05 | 东方电气(广州)重型机器有限公司 | Slotting cutter, processing tool and processing method of semi-closed groove |
| CN105436613A (en) * | 2014-09-24 | 2016-03-30 | 钴碳化钨硬质合金公司 | Reamers with radially extending flutes |
| CN105436613B (en) * | 2014-09-24 | 2019-04-16 | 钴碳化钨硬质合金公司 | With the reamer for radially extending chip space |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160407 |